Makefile.in: Add test-expandargv test.

libiberty/

2006-01-20  Carlos O'Donell  <carlos@codesourcery.com>

	* testsuite/Makefile.in: Add test-expandargv test.
	* testsuite/test-expandargv.c: New test.
	* argv.c (expandargv): Check for errors with ferror,
	rather than just by looking at return value from fread.

From-SVN: r110047